247997025

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 488956800

約数和(自身を除く): 240959775

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 61, 75, 95, 135, 171, 183, 225, 285, 305, 317, 475, 513, 549, 675, 855, 915, 951, 1159, 1425, 1525, 1585, 1647, 2565, 2745, 2853, 3477, 4275, 4575, 4755, 5795, 6023, 7925, 8235, 8559, 10431, 12825, 13725, 14265, 17385, 18069, 19337, 23775, 28975, 30115, 31293, 41175, 42795, 52155, 54207, 58011, 71325, 86925, 90345, 96685, 150575, 156465, 162621, 174033, 213975, 260775, 271035, 290055, 367403, 451725, 483425, 522099, 782325, 813105, 870165, 1102209, 1355175, 1450275, 1837015, 2610495, 3306627, 4065525, 4350825, 5511045, 9185075, 9919881, 13052475, 16533135, 27555225, 49599405, 82665675, 247997025]

約数ペア:

[(1, 247997025), (3, 82665675), (5, 49599405), (9, 27555225), (15, 16533135), (19, 13052475), (25, 9919881), (27, 9185075), (45, 5511045), (57, 4350825), (61, 4065525), (75, 3306627), (95, 2610495), (135, 1837015), (171, 1450275), (183, 1355175), (225, 1102209), (285, 870165), (305, 813105), (317, 782325), (475, 522099), (513, 483425), (549, 451725), (675, 367403), (855, 290055), (915, 271035), (951, 260775), (1159, 213975), (1425, 174033), (1525, 162621), (1585, 156465), (1647, 150575), (2565, 96685), (2745, 90345), (2853, 86925), (3477, 71325), (4275, 58011), (4575, 54207), (4755, 52155), (5795, 42795), (6023, 41175), (7925, 31293), (8235, 30115), (8559, 28975), (10431, 23775), (12825, 19337), (13725, 18069), (14265, 17385)]